About 03 phone numbers

    Non-Geographic • Learn what 03 phone numbers are used for, see trending non-geographic calls, and what to do if you receive an unexpected call.

    What are 03 numbers?

    03 numbers are non-geographic numbers that cost the same to call as standard landline numbers (01/02). They are typically used by businesses and organisations that want a nationwide presence without the premium costs of 08 numbers. Calls are usually included in call packages.

    What people commonly report

    Numbers using this prefix are often associated with customer service lines, banks, utilities, and government departments. Most 03 calls are from legitimate organisations, though some marketing calls may originate from these numbers.

    Trending 03 numbers

    What to do if you're unsure

    • 1.Don't answer calls from numbers you don't recognise. Legitimate callers will usually leave a voicemail.
    • 2.Never give out personal or financial information to unsolicited callers.
    • 3.Search the number on CheckItFirst to see what others have reported.
    • 4.Report suspicious calls to Action Fraud (0300 123 2040) if you believe you've been targeted by a scam.